Home / 86,361,425.94-119,178,478.34-47,203,180.02

Finding the Fourth Proportional to 86,361,425.94, 119,178,478.34 and 47,203,180.02

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Solution

The fourth proportional to 86,361,425.94, 119,178,478.34 and 47,203,180.02 is: 65,140,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,361,425.94 : 119,178,478.34 = 47,203,180.02 : x
  2. Step 2: Convert to fraction form
    86,361,425.94/119,178,478.34 = 47,203,180.02/x
  3. Step 3: Cross multiply
    86,361,425.94x = 119,178,478.34 × 47,203,180.02
  4. Step 4: Simplify right side
    86,361,425.94x = 5,625,603,167,592,691
  5. Step 5: Solve for x
    x = 5,625,603,167,592,691/86,361,425.94
  6. Step 6: Final answer
    x = 65,140,230.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.